A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).
Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
NSN 6220-01-262-7302
NSN 5996-00-918-8300
NSN 6240-01-633-9357
NSN 6610-01-023-1918
NSN 5925-00-966-5836
NSN 6110-00-134-1534
NSN 6150-00-997-5861
NSN 6610-01-169-4770
NSN 4140-00-580-8508
NSN 6650-01-506-5636
NSN 6150-01-607-1328
NSN 5905-00-892-1654